AI Engineer (m/f/x)

AI ML Engineer (m/f/x)

At osapiens, we are committed to empowering businesses economically while promoting human rights and establishing ecologically sustainable and responsible corporate governance as a global standard.

We support global enterprises in over 60 countries in integrating sustainability and positioning themselves for the future. To achieve this, we develop comprehensive SaaS solutions that create transparency and sustainable growth across the entire value chain, meet ESG requirements, and automate manual processes.

Your Mission

Our osapiens HUB is a modern, enterprise-grade development platform that enables businesses to build powerful applications without worrying about infrastructure, scaling, or failover. You’ll help develop and refine this cutting-edge, serverless ecosystem while delivering meaningful solutions for international clients.

As an AI/ML Engineer, you’ll play a key role in shaping the future of our platform by bringing cutting-edge NLP and LLM capabilities into our products. This is your opportunity to work on meaningful challenges with real-world impact, alongside a collaborative and talented team.

This role is based in Mannheim, where you'll collaborate with a talented, forward-thinking team. We embrace a hybrid work model, with three days a week in the office, ensuring the perfect balance between in-person collaboration and remote flexibility.

Your Responsibilities

• Design and implement innovative AI services to enhance the user experience across our global SaaS portfolio.
• Build, fine-tune, and deploy NLP and LLM applications (e.g., entity resolution, intelligent search, document understanding).
• Optimize provisioning of AI services for performance and scalability across a growing international customer base.
• Leverage observability tools and user/system data to generate actionable insights and continuously improve platform intelligence.
• Collaborate with cross-functional teams to integrate AI-driven features into modern, cloud-native applications.

Your Experience

• Strong proficiency in Python and hands-on experience with key Python packages for machine learning and data science.
• Production experience with NLP solutions, including transformer-based models, entity recognition, and classification tasks.
• Practical knowledge of LLMs, including prompt engineering, retrieval-augmented generation (RAG), and structured output generation.
• Experience with vector stores and retrieval-based architectures (e.g., FAISS, Pinecone).
• Containerization expertise using Docker or similar tools for model packaging, deployment, and scalability (must have).
• Comfortable working with tabular data, including anomaly detection and time series forecasting.
• Familiarity with FastAPI or similar frameworks for serving ML models and APIs in production.
• Awareness of modern language model architectures and recent advancements in the field.
• A strong, pragmatic engineering mindset focused on clean code, automation, and scalable solutions.

Nice to have

• Typescript experience or comfort working in a full-stack or frontend-adjacent environment.
• Exposure to multi-lingual NLP or handling diverse text data.
• Familiarity with cloud platforms (AWS, GCP, or Azure) and MLOps tooling.
• Previous work on ESG or compliance-related applications is a plus.
• Recent hands-on experience with modern NLP approaches is highly valued—even if this isn’t your primary specializations.

Join us for this and more...

• A purpose-driven mission with and for global industry pioneers in tackling complex challenges
• Room for creativity through collaborative teamwork and an open communication culture
• Flexibility and team bonding with our hybrid work options
• Fuel for your growth journey, both personally and professionally
• Sustainable mobility options, promoting eco-friendly commuting solutions
• Fun team events and outings with our global teams
• Inspiring workspaces in Mannheim and beyond

About us

osapiens supports global companies from various industries in establishing sustainability within their organizations and positioning themselves for the future. To achieve this, we develop holistic Software-as-a-Service solutions that create transparency and sustainable growth along the entire value chain, fulfill legal ESG requirements, and automate manual processes. osapiens aims to not only strengthen companies economically but also we also promote human rights and ecologically sustainable and responsible corporate governance as the global standard.

We leverage our cloud-based technology platform, the 'osapiens HUB', and innovative technologies such as artificial intelligence to help companies seamlessly implement and automate compliance with international and national ESG laws and guidelines, including CSRD, EUDR, and CSDDD, and to further ensure accountable sustainability reporting. The osapiens HUB is continuously being developed and expanded to accomodate new solutions for evolving ESG regulations, as well as solutions for improved transparency and efficiency.

osapiens was founded in Germany in 2018 and we currently serve over 1,700 customers worldwide. The company is headquartered in Mannheim and has offices in Berlin, Cologne, Munich, Madrid, Paris, Amsterdam and London. We employ over 350 people from 40 countries. In 2022, we were honoured to receive the German Founder Award in the 'Rising Star' category.